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Module 8- Behavior Genetics and Evolutionary Psychology
Exam 1
13
Psychology
Undergraduate 3
02/12/2012

Additional Psychology Flashcards

 


 

Cards

Term
Behavior Genetics
Definition
the study of the relative power and limits of genetic and environmental influences on behavior.
Term
Environment
Definition
every nongenetic influence, from prenatal nutrition to the people and things around us.
Term
Chromosomes
Definition
threadlike structures made of DNA molecules that contain the genes.
Term

Deoxyribonucleic Acid

(DNA)

Definition
a complex molecule containing the genetic information that makes up the chromosomes.
Term
Genes
Definition
the biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing a protein.
Term
Identical Twins
Definition
twins who develop from a single fertilized egg that splits in two, creating two genetically identical organisms.
Term
Fraternal Twins
Definition
twins who develop from separate fertilized eggs. They are genetically no closer than brothers and sisters, but they share a fetal environment.
Term
Temperament
Definition
a person’s characteristic emotional reactivity and intensity.
Term
Interaction
Definition
the interplay that occurs when the effect of one factor (such as environment) depends on another factor (such as heredity).
Term
Evolutionary Psychology 
Definition
the study of the roots of behavior and mental processes, using the principles of natural selection.
Term
Natural Selection
Definition
the principle that, among the range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations.
Term
Mutation
Definition
a random error in gene replication that leads to a change.
Term
Gender
Definition
in psychology, the biologically and socially influenced characteristics by which people definemale and female.
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